WO2013086899A1 - 动车组动力转向架 - Google Patents

动车组动力转向架 Download PDF

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Publication number
WO2013086899A1
WO2013086899A1 PCT/CN2012/083437 CN2012083437W WO2013086899A1 WO 2013086899 A1 WO2013086899 A1 WO 2013086899A1 CN 2012083437 W CN2012083437 W CN 2012083437W WO 2013086899 A1 WO2013086899 A1 WO 2013086899A1
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Prior art keywords
frame
drive motor
fixedly connected
bogie
spring
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Application number
PCT/CN2012/083437
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English (en)
French (fr)
Inventor
陈凤艳
张晓军
卢权
张锋珍
Original Assignee
唐山轨道客车有限责任公司
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Application filed by 唐山轨道客车有限责任公司 filed Critical 唐山轨道客车有限责任公司
Publication of WO2013086899A1 publication Critical patent/WO2013086899A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F3/00Types of bogies
    • B61F3/02Types of bogies with more than one axle

Definitions

  • the bogie is a key component in rail vehicles that directly determines the stability of rail vehicle operation.
  • the power bogie used in the EMU is a unit that provides operating power for the entire EMU. It mainly consists of a welded frame, two sets of wheel sets are placed under the frame, and a cast-in-place load beam is placed above the frame.
  • a drive gear box is mounted on the axle of the wheelset.
  • the power output shaft of the drive gearbox is fixedly connected with the wheel of the wheelset.
  • the power input shaft of the drive gearbox is connected to the drive motor, and the drive motor drives the wheel to rotate through the drive gearbox. , which in turn drives the EMU to operate.
  • the above-mentioned driving motor is flexibly connected to the frame by the motor hanger, and the structure of the bogie is complicated, the fatigue strength of the motor hanger is low, the strength problem is easy to occur, the process is poor, and the cost is high.
  • the present invention provides an EMU power bogie to overcome the deficiencies of the prior art.
  • the invention provides an EMU power bogie, comprising a frame and two sets of wheel sets disposed under the frame and a load beam disposed above the frame, and each set of the axles of the wheel sets are driven by a drive a power transmission shaft of the drive gear box is fixedly connected to a wheel of the corresponding wheel set, and the rigid drive motor mount is fixedly connected to the frame, and the rigid drive motor mount is rigidly fixedly connected to the drive motor.
  • the drive motor is in driving connection with a power input shaft of the drive gearbox.
  • FIG. 1 is a perspective view of an embodiment of an EMU power bogie according to the present invention
  • FIG. 2 is a schematic structural view of a frame in an embodiment of an EMU power bogie according to the present invention
  • FIG. 3 is a schematic structural view of a load beam in an embodiment of an EMU power bogie according to the present invention.
  • 1 is a perspective view of an embodiment of an EMU power bogie according to the present invention; as shown in FIG. 1, an embodiment of an EMU power bogie according to the present invention includes a frame 6 and two sets of wheel sets 1 disposed below the frame 6.
  • the axle of each set of wheelsets 1 is provided with a drive gear box 17, and the power output shaft of the drive gear box 17 is fixedly connected with the wheel of the corresponding wheel set 1, on the frame 6
  • the rigid drive motor mount 15 is fixedly coupled, and the rigid drive motor mount 15 is rigidly fixedly coupled to the drive motor 16, and the drive motor 16 is drivingly coupled to the power input shaft of the drive gearbox 17.
  • the EMU power bogie of the above solution is fixedly connected to the rigid drive motor mount 15 on the frame 6, and rigidly fixedly connected to the drive motor 16 on the rigid drive motor mount 15, which makes the bogie simple in structure.
  • the rigid drive motor mount 15 has high fatigue strength, overcomes the fatigue strength of the existing motor suspension, and is prone to strength problems, and the manufacturing process of the rigid drive motor mount 15. Higher sex.
  • the frame 6 is a welded assembly including two side beams 19 arranged in parallel, and two parallel beams 20 are disposed between the side beams 19, and the beam 20
  • the side sills 19 are welded together by the curved connecting seats 22, that is, one end of the connecting seat 22 is welded to the upper cover of the cross member 20, and the other end is welded to the upper cover of the side sill 19.
  • Two brake hangers 23 are welded symmetrically on each of the side members 19, and the brake hangers 23 are used to mount the brake calipers.
  • Two parallel longitudinal beams 21 are fixedly connected between the two beams 20, and the longitudinal beams 21 and the beam 20 are fixedly connected by welding.
  • the load beam 9 includes an intermediate box member 24, A support body 25 is symmetrically welded to both ends of the intermediate box member 24.
  • the space inside the intermediate box 24 acts as an additional air chamber for the air springs in the bogie. Since the intermediate box member 24 and the support body 25 are welded together, depending on the model of the vehicle, the support of the different support bodies 25 can be adapted to accommodate a plurality of different widths of the vehicle body, wherein the different support bodies 25 can The same interface type and size as the anti-rolling torsion bar mount 26 are used.
  • the arm frame 2 is fixedly connected to the end of the axle of each wheel pair 1, and an elastic member is mounted between the arm frame 2 and the frame 6, in the frame 6 and the bearing An air spring 7 is arranged between the beams 9.
  • the elastic member constitutes a suspension device
  • the air spring 7 constitutes a secondary suspension device.
  • the elastic member includes a rubber spring 3 and a coil spring 4 which are coaxially stacked.
  • the rubber spring 3 is a low stiffness spring. When mounted on the EMU power bogie, the rubber spring 3 is located below the coil spring 4.
  • an emergency spring 8 is fixed to the lower portion of the air spring 7, and the emergency spring 8 is composed of a stacked tapered rubber spring and a layered rubber spring.
  • the height value of the air spring 7 is controlled by the height control valve 11, i.e., the height of the vehicle body is controlled by charging and deflation into the air spring 7.
  • a suspension device also called an axle box spring
  • Second-line suspension Also known as the central spring, it is placed between the bolster (or body) and the frame. Since the rubber spring 3 of low rigidity is disposed under the coil spring 4, and the two air springs 7 are large curved cymbals, and the rubber spring emergency spring 8 is disposed under the air spring 7, when the air spring 7 is airless
  • the second-stage suspension device has lower rigidity, which improves the reliability of the EMU operation and the comfort of riding.
  • the arm frame 2 is connected to the frame 6 through the rubber node 5, so that the positioning, positioning rigidity of the wheel pair 1 relative to the frame 6 in the vertical, longitudinal and lateral directions is accurate, and the stability of the high-speed operation of the motor car is ensured.
  • an anti-rolling torsion bar device 13 is disposed between the frame 6 and the load beam 9.
  • the anti-rolling torsion bar device 13 comprises a torsion bar connected to the load beam 9.
  • the torsion bar is fixedly connected with a twisting arm at both ends thereof, and the end of the torsion arm is away from the torsion bar and is connected with the adjustable connecting rod, and the adjustable connecting rod is far away One end of the twist arm is coupled to the frame 6.
  • an anti-snake damper 10 is disposed between the frame 6 and the load beam 9. Further, based on the above embodiment, the central traction device 14 is fixedly coupled below the load beam.
  • a wheel base brake device 12 is provided between the wheel set 1 and the member 6, and the wheel base brake device 12 is composed of a brake disk fixed to the wheel and a brake caliper fixed to the brake hanger 23. .
  • the EMU power bogie is also provided with a sanding and stone sweeper device 18 for spraying sand on the track during the start and braking of the train to improve the adhesion during starting and braking.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

本发明提供一种动车组动力转向架,包括构架及设置在构架下方的两组轮对和设置在构架上方的承载梁,各组轮对的车轴上均穿装有驱动齿轮箱,驱动齿轮箱的动力输出轴与对应的轮对的车轮固定连接,构架上固定连接刚性驱动电机安装座,刚性驱动电机安装座上刚性固定连接驱动电机,驱动电机与驱动齿轮箱的动力输入轴传动连接。上述方案,其构架上固定连接刚性驱动电机安装座,且在刚性驱动电机安装座上刚性固定连接驱动电机,采用此种结构使得转向架结构简单,有利于降低成本,另外,刚性驱动电机安装座,具有较高的疲劳强度,克服了现有电机吊座疲劳强度低,易出现强度问题的不足,还有,刚性驱动电机安装座的制作工艺性较高。

Description

动车组动力转向架 本申请要求于 2011年 12月 13日提交中国专利局、申请号为 201120519679.7、 发明名称为 "动车组动力转向架" 的中国专利申请的优先权, 其全部内容通过引用 结合在本申请中。 技术领域 本发明涉及轨道车辆转向架技术, 尤其涉及一种动车组动力转向架。 背景技术
转向架是轨道车辆中的关键部件, 其直接决定轨道车辆运行的稳定性。 在动车组中所使用的动力转向架是为整列动车组提供运行动力的单元。 其主 要包括焊接而成的构架, 在构架的下方设置两组轮对, 在构架的上方设置一 体铸造的承载梁。 所述轮对的车轴上穿装有驱动齿轮箱, 驱动齿轮箱的动力 输出轴与轮对的车轮固定连接,驱动齿轮箱的动力输入轴传动连接驱动电机, 驱动电机通过驱动齿轮箱驱动车轮转动, 进而驱使动车组运行。 上述驱动电 机通过电机吊架柔性的连接在构架上, 釆用此种结构使得转向架整体结构比 较复杂, 电机吊架的疲劳强度较低, 容易产生强度问题, 工艺性较差, 成本 较高。 发明内容 本发明提供一种动车组动力转向架, 用以克服现有技术中存在的不足。 本发明提供一种动车组动力转向架, 包括构架及设置在所述构架下方的 两组轮对和设置在所述构架上方的承载梁, 各组所述轮对的车轴上均穿装有 驱动齿轮箱, 所述驱动齿轮箱的动力输出轴与对应的所述轮对的车轮固定连 接, 所述构架上固定连接刚性驱动电机安装座, 所述刚性驱动电机安装座上 刚性固定连接驱动电机, 所述驱动电机与所述驱动齿轮箱的动力输入轴传动 连接。
本发明提供的动车组动力转向架, 其构架上固定连接刚性驱动电机安装 座, 且在刚性驱动电机安装座上刚性固定连接驱动电机, 釆用此种结构使得 转向架结构简单, 有利于降低成本, 另外, 刚性驱动电机安装座, 具有较高 的疲劳强度, 克服了现有电机吊座疲劳强度低, 易出现强度问题的不足, 还 有, 刚性驱动电机安装座的制作工艺性较高。 附图说明 图 1为本发明动车组动力转向架实施例的立体图;
图 2为本发明动车组动力转向架实施例中构架的结构示意图;
图 3为本发明动车组动力转向架实施例中承载梁的结构示意图。 具体实施方式 图 1为本发明动车组动力转向架实施例的立体图; 如图 1所示, 本发明 动车组动力转向架的实施例, 包括构架 6及设置在构架 6下方的两组轮对 1 和设置在构架 6上方的承载梁 9, 各组轮对 1的车轴上均穿装有驱动齿轮箱 17 , 驱动齿轮箱 17的动力输出轴与对应的轮对 1的车轮固定连接, 构架 6上 固定连接刚性驱动电机安装座 15 , 刚性驱动电机安装座 15上刚性固定连接 驱动电机 16, 驱动电机 16与驱动齿轮箱 17的动力输入轴传动连接。
上述方案的动车组动力转向架, 其构架 6上固定连接刚性驱动电机安装 座 15 , 且在刚性驱动电机安装座 15上刚性固定连接驱动电机 16 , 釆用此种 结构使得转向架结构简单,有利于降低成本, 另外, 刚性驱动电机安装座 15 , 具有较高的疲劳强度, 克服了现有电机吊座疲劳强度低, 易出现强度问题的 不足, 还有, 刚性驱动电机安装座 15的制作工艺性较高。
具体地, 基于上述实施例, 参见图 2所示, 构架 6是一个焊接组件, 其 包括两个平行设置的侧梁 19,两侧梁 19之间设置有两个平行设置的横梁 20, 横梁 20与侧梁 19通过曲面连接座 22焊接在一起, 即连接座 22的一端与横 梁 20的上盖板焊接在一起、 另一端与侧梁 19的上盖板焊接在一起。 在每根 侧梁 19上均对称的焊接两个制动吊座 23 , 制动吊座 23用于安装制动夹钳。 两横梁 20之间固定连接两个平行设置的纵梁 21 , 纵梁 21与横梁 20之间釆 用焊接的方式固定连接。
具体地,基于上述实施例, 参见图 3所示,承载梁 9包括中间箱型件 24, 中间箱型件 24两端对称焊接有支撑体 25。 中间箱型件 24内部的空间作为该 转向架中空气弹簧的附加空气室。 由于中间箱型件 24与支撑体 25是焊接在 一起的, 因此, 根据车辆型号的不同, 选择焊接不同的支撑体 25即可以适应 多种不同宽度的车体, 其中, 不同的支撑体 25可以釆用与抗侧滚扭杆安装座 26同样的接口型式和尺寸。
进一步地, 基于上述实施例, 在各轮对 1的车轴的端部均固定连接转臂 式轴箱 2, 在转臂式轴箱 2与构架 6之间装有弹性件, 在构架 6与承载梁 9 之间装有空气弹簧 7。 其中, 弹性件构成一系悬挂装置, 空气弹簧 7构成二 系悬挂装置。
其中, 弹性件包括同轴叠置的橡胶弹簧 3和螺旋弹簧 4。 橡胶弹簧 3为 低刚度弹簧。 安装于动车组动力转向架上时, 橡胶弹簧 3位于螺旋弹簧 4的 下方。
另外, 空气弹簧 7的下部固定有紧急弹簧 8 , 紧急弹簧 8由叠置的锥形 橡胶弹簧和层状橡胶弹簧组成。 空气弹簧 7的高度值由高度控制阀 1 1控制, 即, 通过向空气弹簧 7内充、 放气来控制车体的高度。
釆用上述结构的一系悬挂装置和二系悬挂装置, 一系悬挂装置: 又称轴箱 弹簧, 设置在轴箱与构架之间。 二系悬挂装置: 又称中央弹簧, 设置在摇枕 (或车体)与构架之间。 由于螺旋弹簧 4下方设置的是低刚度的橡胶弹簧 3 , 且两个空气弹簧 7为大曲嚢, 并在空气弹簧 7的下方设置了橡胶材质的紧急 弹簧 8 , 因此, 当空气弹簧 7无气时, 使得二系悬挂装置具有较低的刚度, 提高了动车组运行的可靠性及乘坐的舒适性。
转臂式轴箱 2通过橡胶节点 5与构架 6连接, 使得轮对 1相对于构架 6 在竖向、 纵向和横向的定位尺寸和定位刚度精确, 保证了动车高速运行的稳 定性。
进一步地, 基于上述实施例, 为了提高车辆的运行平稳性, 提高抗侧滚 性能, 在构架 6与承载梁 9之间设置了抗侧滚扭杆装置 13。 该抗侧滚扭杆装 置 13包括与承载梁 9连接的扭杆, 扭杆的两端均固定连接有扭臂, 扭臂远离 扭杆的一端与可调连杆连接, 可调连杆的远离扭臂的一端与构架 6连接。
进一步地, 基于上述实施例, 为了提高车辆的运行平稳性, 提高抗蛇行 运动的能力, 在构架 6与承载梁 9之间设置了抗蛇行减振器 10。 进一步地,基于上述实施例,在承载梁的下方固定连接中央牵引装置 14。 在轮对 1与构件 6之间设置了轮盘基础制动装置 12, 轮盘基础制动装置 12 由固定在车轮上的制动盘和固定在制动吊座 23上的制动夹钳组成。该动车组 动力转向架上还设置有撒砂及扫石器装置 18, 用来在列车起动和制动时向轨 道上喷洒砂粒, 提高起动和制动时的粘着力。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换; 而这些修改或者替换, 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims

权 利 要 求 书
1、 一种动车组动力转向架, 包括构架及设置在所述构架下方的两组轮对 和设置在所述构架上方的承载梁, 各组所述轮对的车轴上均穿装有驱动齿轮 箱, 所述驱动齿轮箱的动力输出轴与对应的所述轮对的车轮固定连接, 其特 征在于, 所述构架上固定连接刚性驱动电机安装座, 所述刚性驱动电机安装 座上刚性固定连接驱动电机, 所述驱动电机与所述驱动齿轮箱的动力输入轴 传动连接。
2、 根据权利要求 1所述的动车组动力转向架, 其特征在于, 所述车轴的 端部固定连接转臂式轴箱, 所述转臂式轴箱与所述构架之间装有弹性件, 所 述构架与所述承载梁之间装有空气弹簧。
3、 根据权利要求 2所述的动车组动力转向架, 其特征在于, 所述弹性件 包括同轴叠置的橡胶弹簧和螺旋弹簧。
4、 根据权利要求 2所述的动车组动力转向架, 其特征在于, 所述空气弹 簧的下部固定有紧急弹簧, 所述紧急弹簧由叠置的锥形橡胶弹簧和层状橡胶 弹簧组成。
5、 根据权利要求 1-4任一所述的动车组动力转向架, 其特征在于, 所述 构架包括两个平行设置的侧梁,两所述侧梁之间设置有两个平行设置的横梁, 所述横梁与所述侧梁通过曲面连接座焊接在一起, 两所述横梁之间固定连接 两个平行设置的纵梁。
6、 根据权利要求 1-4任一所述的动车组动力转向架, 其特征在于, 所述 承载梁包括中间箱型件, 所述中间箱型件两端对称焊接有支撑体。
7、 根据权利要求 1-4任一所述的动车组动力转向架, 其特征在于, 所述 构架与所述承载梁之间设置有抗侧滚扭杆装置, 所述抗侧滚扭杆装置包括与 所述承载梁连接的扭杆, 所述扭杆的两端均固定连接有扭臂, 所述扭臂远离 所述扭杆的一端与可调连杆连接, 所述可调连杆远离所述扭臂的一端与所述 构架连接。
8、 根据权利要求 1-4任一所述的动车组动力转向架, 其特征在于, 所述 构架与所述承载梁之间设置有抗蛇行减振器。
PCT/CN2012/083437 2011-12-13 2012-10-24 动车组动力转向架 WO2013086899A1 (zh)

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